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A 61-year-old male asked:

Bloodwork showed t4 is 15.5, tsh is .162, i think it was .62, and free thyroxine 5.3, t3 (liothyronine) uptake is normal at 34. i've stopped taking my l thryroine. how fast will the t4 drop? when to retest?

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Dr. Kenneth Smith
Dr. Kenneth Smithanswered
Internal Medicine 34 years experience
Hypothyroidism: Generally retest every six weeks after dosage adjustment. Have you discussed with your physician stopping medication. I do not know your dosage but cessation s opposed to reduction can be problematic.
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Last updated Jan 30, 2013

Found in:

Thyroxine›Thyroid stimulating hormone

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